11763521020 has 24 divisors (see below), whose sum is σ = 25500279168. Its totient is φ = 4553620800.

The previous prime is 11763520973. The next prime is 11763521057. The reversal of 11763521020 is 2012536711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11763521020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9486091 + ... + 9487330.

It is an arithmetic number, because the mean of its divisors is an integer number (1062511632).

Almost surely, 2^11763521020 is an apocalyptic number.

11763521020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11763521020 is an abundant number, since it is smaller than the sum of its proper divisors (13736758148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11763521020 is a wasteful number, since it uses less digits than its factorization.

11763521020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18973461 (or 18973459 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 11763521020 in words is "eleven billion, seven hundred sixty-three million, five hundred twenty-one thousand, twenty".